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annotate hgext/hooklib/changeset_obsoleted.py @ 45410:8b700e9b9fc2

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hooklib: update documentation of changeset_obsoletedfor for changed hook type This updates usage example of changeset_obsoleted to reflect the move from pretxnclose to txnclose made in 04ef381000a8 (hooklib: fix detection of successors for changeset_obsoleted). Differential Revision: https://phab.mercurial-scm.org/D8929
author Aay Jay Chan <aayjaychan@itopia.com.hk>
date Tue, 18 Aug 2020 22:21:00 +0800
parents 3c2fae87bd5a
children 89a2afe31e82
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1 # Copyright 2020 Joerg Sonnenberger <joerg@bec.de>
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2 #
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3 # This software may be used and distributed according to the terms of the
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4 # GNU General Public License version 2 or any later version.
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5 """changeset_obsoleted is a hook to send a mail when an
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6 existing draft changeset is obsoleted by an obsmarker without successor.
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7
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8 Correct message threading requires the same messageidseed to be used for both
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9 the original notification and the new mail.
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10
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11 Usage:
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12 [notify]
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13 messageidseed = myseed
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14
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15 [hooks]
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16 txnclose.changeset_obsoleted = \
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17 python:hgext.hooklib.changeset_obsoleted.hook
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18 """
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19
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20 from __future__ import absolute_import
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21
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22 import email.errors as emailerrors
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23 import email.utils as emailutils
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24
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25 from mercurial.i18n import _
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26 from mercurial import (
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27 encoding,
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28 error,
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29 formatter,
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30 logcmdutil,
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31 mail,
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32 obsutil,
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33 pycompat,
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34 registrar,
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35 )
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36 from mercurial.utils import dateutil
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37 from .. import notify
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38
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39 configtable = {}
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40 configitem = registrar.configitem(configtable)
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41
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42 configitem(
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43 b'notify_obsoleted', b'domain', default=None,
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44 )
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45 configitem(
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46 b'notify_obsoleted', b'messageidseed', default=None,
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47 )
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48 configitem(
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49 b'notify_obsoleted',
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50 b'template',
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51 default=b'''Subject: changeset abandoned
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52
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53 This changeset has been abandoned.
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54 ''',
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55 )
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56
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57
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58 def _report_commit(ui, repo, ctx):
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59 domain = ui.config(b'notify_obsoleted', b'domain') or ui.config(
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60 b'notify', b'domain'
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61 )
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62 messageidseed = ui.config(
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63 b'notify_obsoleted', b'messageidseed'
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64 ) or ui.config(b'notify', b'messageidseed')
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65 template = ui.config(b'notify_obsoleted', b'template')
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66 spec = formatter.literal_templatespec(template)
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67 templater = logcmdutil.changesettemplater(ui, repo, spec)
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68 ui.pushbuffer()
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69 n = notify.notifier(ui, repo, b'incoming')
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70
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71 subs = set()
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72 for sub, spec in n.subs:
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73 if spec is None:
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74 subs.add(sub)
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75 continue
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76 revs = repo.revs(b'%r and %d:', spec, ctx.rev())
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77 if len(revs):
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78 subs.add(sub)
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79 continue
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80 if len(subs) == 0:
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81 ui.debug(
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82 b'notify_obsoleted: no subscribers to selected repo and revset\n'
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83 )
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84 return
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85
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86 templater.show(
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87 ctx,
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88 changes=ctx.changeset(),
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89 baseurl=ui.config(b'web', b'baseurl'),
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90 root=repo.root,
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91 webroot=n.root,
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92 )
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93 data = ui.popbuffer()
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94
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95 try:
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96 msg = mail.parsebytes(data)
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97 except emailerrors.MessageParseError as inst:
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98 raise error.Abort(inst)
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99
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100 msg['In-reply-to'] = notify.messageid(ctx, domain, messageidseed)
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101 msg['Message-Id'] = notify.messageid(
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102 ctx, domain, messageidseed + b'-obsoleted'
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103 )
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104 msg['Date'] = encoding.strfromlocal(
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105 dateutil.datestr(format=b"%a, %d %b %Y %H:%M:%S %1%2")
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106 )
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107 if not msg['From']:
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108 sender = ui.config(b'email', b'from') or ui.username()
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109 if b'@' not in sender or b'@localhost' in sender:
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110 sender = n.fixmail(sender)
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111 msg['From'] = mail.addressencode(ui, sender, n.charsets, n.test)
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112 msg['To'] = ', '.join(sorted(subs))
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113
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114 msgtext = msg.as_bytes() if pycompat.ispy3 else msg.as_string()
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115 if ui.configbool(b'notify', b'test'):
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116 ui.write(msgtext)
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117 if not msgtext.endswith(b'\n'):
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118 ui.write(b'\n')
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119 else:
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120 ui.status(_(b'notify_obsoleted: sending mail for %d\n') % ctx.rev())
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121 mail.sendmail(
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122 ui, emailutils.parseaddr(msg['From'])[1], subs, msgtext, mbox=n.mbox
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123 )
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124
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125
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126 def has_successor(repo, rev):
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127 return any(
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128 r for r in obsutil.allsuccessors(repo.obsstore, [rev]) if r != rev
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129 )
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130
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131
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132 def hook(ui, repo, hooktype, node=None, **kwargs):
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133 if hooktype != b"txnclose":
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134 raise error.Abort(
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135 _(b'Unsupported hook type %r') % pycompat.bytestr(hooktype)
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136 )
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137 for rev in obsutil.getobsoleted(repo, changes=kwargs['changes']):
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138 ctx = repo.unfiltered()[rev]
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139 if not has_successor(repo, ctx.node()):
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140 _report_commit(ui, repo, ctx)